View Compilation Error

0_0_37332602_9209.c: In function 'main':
0_0_37332602_9209.c:4:1: error: variable-sized object may not be initialized
 int a[2*N+1]={0},b[2*N+1]={0};
 ^
0_0_37332602_9209.c:4:1: error: variable-sized object may not be initialized
0_0_37332602_9209.c:6:11: error: expected expression before '{' token
 {a[2*N+1]={0};
           ^
0_0_37332602_9209.c:7:10: error: expected expression before '{' token
 b[2*N+1]={0};
          ^